Crane-hinge fob



Tian saires nirvana* onirica.-

EZRA` RIPLEY, OF TROY, NEW YORK.

CRANE-HINGE FOR DOORS, SHUTTERS, Sac.

i Specification of Letters Patent No. 8,090, dated. May 13, 1851.

T all 'whom 'it may Gomera:

Be it known that I, `EZRA RIPLEY, of the city of Troy, county of Rensselaer, and State of New York, have made and invented a new and useful Improvement in the Mode of Hinging or` Hanging Doors by lwhich the Hinges are Concealed When the Door is Closed and the Inside of the Door not EX- posed Then Open; and I do hereby declare that the following is a full,` clear, and exact" description of the same, reference being had to the accompanying drawings, which make a part of this specification, in which-`- Figure l is a front elevation of thedoor and vjambs showing the appearance of the door when closed.` Fig. 2 is a view of the lback part of the door and j amb showingthe l manner in which the door isconnected to the jamb by the crane hinge. Fig. 3 isua perspective view ofthe door.` Fig. 4` is a sectional elevation of the door "and jamb, taken through the center of the door and through the eyes and lugs of the "jamb,` the same letters referring to like partsin each of the figures. e

I construct my doors of any suitable ma terial adapted to the use to which said door is to be applied, and in the following manner, as shown in Fig. 3, in which A is the door attached to thejamb B by the crane hinge C, the door A being attached tothe hinge C by inserting the journals or tenons D D into the eyes E E, the eyes and door being all castin one piece, the said journals or tenons being secured and the door being prevented from being lifted off the journals of the hinge C by the small lug G cast on the faceplate F as seen in Fig. 4, and pass mgthrough a suitable aperture in the door A and far enough under the bottom jour-v nal or tenon Dof the crane hinge C Ito se.-

cure the purpose for which it" was designed,

the face plate F being secured to the door V'A `by the bolt N -Vthe door is opened by lifting with the lifter O on the face plate F sufficiently tounloose the catches K K from the aperture L and the inside bottom edgeof the jamb as seen atS Fig. `3, the

jamb B beingattached to the cranehinge C by inserting the `journals or tenons D D into the eyes E E, said eyes `being cast on the jamb B, the said journals or tenons D D being secured inthe eyes E E, and prevented from lifting out of the eyes by the two small i lugs H H which are cast on said jamb, eX- j cept when the dooris opened out far enough EZRA RIPLEY.

Witnesses i J No. J. SAVAGE, WM. LSANDERSON. 

